shunit2 ☆

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Description:
Unit testing framework for Bourne-based shell scripts

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: testing bash shell development automation

Install: brew install shunit2

About:
ShUnit2 is a unit testing framework specifically designed for Bourne-based shell scripts, including Bash and Zsh. It provides a familiar xUnit-style structure, enabling developers to write and execute tests to validate script logic and functionality. This tool is essential for ensuring reliability and preventing regressions in complex automation and deployment scripts.

Key Features:

xUnit-style framework structure (test cases, suites, and assertions)
Supports Bourne, Korn, and Bash shells
Provides a rich set of assertion methods (e.g., assertEquals, assertNotEquals)
Simple integration into existing shell scripts and build pipelines

Use Cases:

Unit testing complex Bash automation scripts
Validating logic in CI/CD pipeline steps written in shell
Regression testing for system administration utilities

Alternatives:

bats-core – Bats (Bash Automated Testing System) is another popular framework, often preferred for its TAP (Test Anything Protocol) output and test isolation.

Version History

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